M:tG card similarity search
3B · World Enchantment
Whenever a player casts a spell, counter it unless that player pays {3}.
| Name | Mana | Type | Text |
|---|---|---|---|
| Mirrored Depths | Plane — Karsus | Whenever a player casts a spell, that player flips a coin. If the player loses the flip, counter that spell. Whenever chaos ensues, target player reveals the top card of their library. If it's a nonland card, you may cast it without paying its mana cost. | |
| Titania's Chosen | 2G | Creature — Elf Archer | Whenever a player casts a green spell, put a +1/+1 counter on Titania's Chosen. 1/1 |
| Seedtime | 1G | Instant | Cast this spell only during your turn. Take an extra turn after this one if an opponent cast a blue spell this turn. |
| Intimidator Initiate | R | Creature — Goblin Shaman | Whenever a player casts a red spell, you may pay {1}. If you do, target creature can't block this turn. 1/1 |
| Sphinx of New Prahv | WWUU | Creature — Sphinx | Flying, vigilance Spells your opponents cast that target Sphinx of New Prahv cost {2} more to cast. 4/3 |
| Swindler's Scheme | 2U | Enchantment | Whenever an opponent casts a spell from their hand, you may reveal the top card of your library. If it shares a card type with that spell, counter that spell and that opponent may cast the revealed card without paying its mana cost. |
| Lofty Denial | 1U | Instant | Counter target spell unless its controller pays {1}. If you control a creature with flying, counter that spell unless its controller pays {4} instead. |
| Standstill | 1U | Enchantment | When a player casts a spell, sacrifice Standstill. If you do, each of that player's opponents draws three cards. |
| Liberator, Urza's Battlethopter | 3 | Legendary Artifact Creature — Thopter | Flash Flying You may cast colorless spells and artifact spells as though they had flash. Whenever you cast a spell, if the amount of mana spent to cast that spell is greater than Liberator, Urza's Battlethopter's power, put a +1/+1 counter on Liberator. 1/2 |
| Moonhold | 2R/W | Instant | Target player can't play lands this turn if {R} was spent to cast this spell and can't cast creature spells this turn if {W} was spent to cast this spell. (Do both if {R}{W} was spent.) |